Signal transmission/reception system

Abstract

A signal transmission/reception system includes a transmission line, a signal transmission circuit configured to generate a transfer signal and transfer the transfer signal through the transmission line, wherein a logic value of the transfer signal is changed whenever a pulse signal is input to the signal transmission circuit, and a signal reception circuit configured to receive the transfer signal through the transmission line and generate a restoration signal using the transfer signal and a delayed transfer signal obtained by delaying the transfer signal.

What is claimed is: 
     
       1. A signal transmission/reception system comprising:
 a transmission line; 
 a signal transmission circuit configured to generate a transfer signal and transfer the transfer signal through the transmission line, wherein a logic value of the transfer signal is changed whenever a pulse signal is input to the signal transmission circuit; and 
 a signal reception circuit configured to receive the transfer signal through the transmission line and generate a restoration signal using the transfer signal and a delayed transfer signal obtained by delaying the transfer signal, 
 wherein the signal reception circuit is configured to activate the restoration signal in a period that the logic value of the transfer signal is different from a logic value of the delayed transfer signal. 
 
     
     
       2. The signal transmission/reception system of  claim 1 , wherein the signal transmission circuit comprises:
 a T flip-flop configured to change the logic value of the transfer signal in response to the pulse signal. 
 
     
     
       3. The signal transmission/reception system of  claim 1 , wherein an activation period of the restoration signal has a duration substantially equal to an activation period of the pulse signal. 
     
     
       4. The signal transmission/reception system of  claim 1 , wherein the signal reception circuit comprises:
 a signal delay unit configured to delay the transfer signal and generate the delayed transfer signal; and 
 a signal generation unit configured to generate the restoration signal in response to the transfer signal and the delayed transfer signal. 
 
     
     
       5. The signal transmission/reception system of  claim 4 , wherein a delay value of the signal delay unit is substantially equal to an activation period of the pulse signal. 
     
     
       6. The signal transmission/reception system of  claim 1 , wherein the transmission line includes a through-silicon via. 
     
     
       7. The signal transmission/reception system of  claim 1 , wherein the pulse signal includes one of a command, an address and data of a semiconductor memory. 
     
     
       8. A signal transmission/reception method comprising:
 generating a transfer signal having a logic value changed in response to a pulse signal; 
 transferring the transfer signal through a transmission line; and 
 generating a restoration signal in response to the transfer signal, 
 wherein the generating of the restoration signal comprises:
 delaying the transfer signal transferred through the transmission line and generating a delayed transfer signal; and 
 generating the restoration signal in response to the transfer signal and the delayed transfer signal. 
 
 
     
     
       9. The signal transmission/reception method of  claim 8 , wherein the restoration signal is activated in a period that the logic value of the transfer signal is different from a logic value of the delayed transfer signal. 
     
     
       10. The signal transmission/reception method of  claim 8 , wherein an activation period of the restoration signal has a duration substantially equal to an activation period of the pulse signal. 
     
     
       11. The signal transmission/reception method of  claim 8 , wherein, in the generating of the delayed transfer signal, the transfer signal is delayed by a delay value substantially equal to an activation period of the pulse signal, so that the delayed transfer signal is generated. 
     
     
       12. The signal transmission/reception method of  claim 8 , wherein the transmission line includes a through-silicon via. 
     
     
       13. The signal transmission/reception method of  claim 8 , wherein the pulse signal includes one of a command, an address and data of a semiconductor memory.